publishing port changes

logic/peers.go

@@ -79,6 +79,10 @@ func GetNodePeers(networkName, nodeid string, excludeRelayed bool, isP2S bool) (
 					}
 				}
 			}
+			// if udp hole punching is on, but port is still set to default (e.g. 51821), use the LocalListenPort
+			if node.UDPHolePunch == "yes" && node.IsStatic != "yes" && peer.ListenPort == node.ListenPort {
+				peer.ListenPort = node.LocalListenPort
+			}
 			if node.IsRelay == "yes" {
 				network, err := GetNetwork(networkName)
 				if err == nil {

netclient/functions/daemon.go

@@ -218,6 +218,7 @@ func setupMQTT(cfg *config.ClientConfig, server string, publish bool) mqtt.Clien
 	opts.SetConnectRetryInterval(time.Second << 2)
 	opts.SetKeepAlive(time.Minute >> 1)
 	opts.SetWriteTimeout(time.Minute)
+
 	opts.SetOnConnectHandler(func(client mqtt.Client) {
 		if !publish {
 			networks, err := ncutils.GetSystemNetworks()
@@ -243,8 +244,8 @@ func setupMQTT(cfg *config.ClientConfig, server string, publish bool) mqtt.Clien
 		}
 		logger.Log(0, "connection re-established with mqtt server")
 	})
-
 	client := mqtt.NewClient(opts)
+
 	tperiod := time.Now().Add(12 * time.Second)
 	for {
 		//if after 12 seconds, try a pull on the last try
@@ -258,6 +259,7 @@ func setupMQTT(cfg *config.ClientConfig, server string, publish bool) mqtt.Clien
 			time.Sleep(time.Second)
 		}
 		if token := client.Connect(); token.Wait() && token.Error() != nil {
+
 			logger.Log(0, "unable to connect to broker, retrying ...")
 			if time.Now().After(tperiod) {
 				logger.Log(0, "could not connect to broker, exiting ", cfg.Node.Network, " setup: ", token.Error().Error())

netclient/functions/localport.go

@@ -0,0 +1,62 @@
+package functions
+
+import (
+	"errors"
+	"log"
+	"strconv"
+	"strings"
+
+	"github.com/gravitl/netmaker/logger"
+	"github.com/gravitl/netmaker/netclient/config"
+	"github.com/gravitl/netmaker/netclient/local"
+	"github.com/gravitl/netmaker/netclient/ncutils"
+)
+
+// Get LocalListenPort - Gets the port running on the local interface
+func GetLocalListenPort(ifacename string) (int32, error) {
+	portstring, err := ncutils.RunCmd("wg show "+ifacename+" listen-port", false)
+	if err != nil {
+		return 0, err
+	}
+	portstring = strings.TrimSuffix(portstring, "\n")
+	i, err := strconv.ParseInt(portstring, 10, 32)
+	if err != nil {
+		return 0, err
+	} else if i == 0 {
+		return 0, errors.New("parsed port is unset or invalid")
+	}
+	return int32(i), nil
+}
+
+func UpdateLocalListenPort(nodeCfg *config.ClientConfig) error {
+	var err error
+	ifacename := getRealIface(nodeCfg.Node.Interface, nodeCfg.Node.Address)
+	localPort, err := GetLocalListenPort(ifacename)
+	if err != nil {
+		logger.Log(1, "error encountered checking local listen port: ", err.Error())
+	} else if nodeCfg.Node.LocalListenPort != localPort && localPort != 0 {
+		logger.Log(1, "local port has changed from ", strconv.Itoa(int(nodeCfg.Node.LocalListenPort)), " to ", strconv.Itoa(int(localPort)))
+		nodeCfg.Node.LocalListenPort = localPort
+		err = config.ModConfig(&nodeCfg.Node)
+		if err != nil {
+			return err
+		}
+		log.Println("server: " + nodeCfg.Server.Server)
+		if err := PublishNodeUpdate(nodeCfg); err != nil {
+			logger.Log(0, "could not publish local port change")
+		}
+	}
+	return err
+}
+
+func getRealIface(ifacename string, address string) string {
+	var deviceiface = ifacename
+	var err error
+	if ncutils.IsMac() { // if node is Mac (Darwin) get the tunnel name first
+		deviceiface, err = local.GetMacIface(address)
+		if err != nil || deviceiface == "" {
+			deviceiface = ifacename
+		}
+	}
+	return deviceiface
+}

netclient/functions/mqhandlers.go

@@ -155,6 +155,7 @@ func NodeUpdate(client mqtt.Client, msg mqtt.Message) {
 		//			logger.Log(0, "error applying dns" + err.Error())
 		//		}
 	}
+	_ = UpdateLocalListenPort(&nodeCfg)
 }
 
 // UpdatePeers -- mqtt message handler for peers/<Network>/<NodeID> topic
@@ -213,6 +214,7 @@ func UpdatePeers(client mqtt.Client, msg mqtt.Message) {
 			return
 		}
 	}
+	_ = UpdateLocalListenPort(&cfg)
 }
 
 func setHostDNS(dns, iface string, windows bool) error {

netclient/functions/mqpublish.go

@@ -6,14 +6,12 @@ import (
 	"errors"
 	"fmt"
 	"os"
-	"strconv"
 	"sync"
 	"time"
 
 	"github.com/gravitl/netmaker/logger"
 	"github.com/gravitl/netmaker/netclient/auth"
 	"github.com/gravitl/netmaker/netclient/config"
-	"github.com/gravitl/netmaker/netclient/local"
 	"github.com/gravitl/netmaker/netclient/ncutils"
 	"github.com/gravitl/netmaker/tls"
 )
@@ -62,23 +60,8 @@ func Checkin(ctx context.Context, wg *sync.WaitGroup) {
 							logger.Log(0, "could not publish local address change")
 						}
 					}
-					var deviceiface = nodeCfg.Node.Interface
-					if ncutils.IsMac() { // if node is Mac (Darwin) get the tunnel name first
-						deviceiface, err = local.GetMacIface(nodeCfg.Node.Address)
-						if err != nil || deviceiface == "" {
-							deviceiface = nodeCfg.Node.Interface
-						}
-					}
-					localPort, errN := local.GetLocalListenPort(deviceiface)
-					if errN != nil {
-						logger.Log(1, "error encountered checking local listen port: ", err.Error())
-					} else if nodeCfg.Node.LocalListenPort != localPort && localPort != 0 {
-						logger.Log(1, "local port has changed from ", strconv.Itoa(int(nodeCfg.Node.LocalListenPort)), " to ", strconv.Itoa(int(localPort)))
-						nodeCfg.Node.LocalListenPort = localPort
-						if err := PublishNodeUpdate(&nodeCfg); err != nil {
-							logger.Log(0, "could not publish local port change")
-						}
-					}
+					_ = UpdateLocalListenPort(&nodeCfg)
+
 				} else if nodeCfg.Node.IsLocal == "yes" && nodeCfg.Node.LocalRange != "" {
 					localIP, err := ncutils.GetLocalIP(nodeCfg.Node.LocalRange)
 					if err != nil {
@@ -115,6 +98,7 @@ func PublishNodeUpdate(nodeCfg *config.ClientConfig) error {
 	if err = publish(nodeCfg, fmt.Sprintf("update/%s", nodeCfg.Node.ID), data, 1); err != nil {
 		return err
 	}
+
 	logger.Log(0, "sent a node update to server for node", nodeCfg.Node.Name, ", ", nodeCfg.Node.ID)
 	return nil
 }
@@ -139,7 +123,6 @@ func publish(nodeCfg *config.ClientConfig, dest string, msg []byte, qos byte) er
 	if err != nil {
 		return err
 	}
-
 	serverPubKey, err := ncutils.ConvertBytesToKey(nodeCfg.Node.TrafficKeys.Server)
 	if err != nil {
 		return err
@@ -155,6 +138,7 @@ func publish(nodeCfg *config.ClientConfig, dest string, msg []byte, qos byte) er
 	if token := client.Publish(dest, qos, false, encrypted); token.Wait() && token.Error() != nil {
 		return token.Error()
 	}
+
 	return nil
 }
 

netclient/local/local.go

@@ -8,7 +8,6 @@ import (
 	"os"
 	"os/exec"
 	"runtime"
-	"strconv"
 	"strings"
 
 	"github.com/gravitl/netmaker/netclient/ncutils"
@@ -122,19 +121,3 @@ func GetMacIface(ipstring string) (string, error) {
 func HasNetwork(network string) bool {
 	return ncutils.FileExists(ncutils.GetNetclientPathSpecific() + "netconfig-" + network)
 }
-
-// Get LocalListenPort - Gets the port running on the local interface
-func GetLocalListenPort(ifacename string) (int32, error) {
-	portstring, err := ncutils.RunCmd("wg show "+ifacename+" listen-port", false)
-	if err != nil {
-		return 0, err
-	}
-	portstring = strings.TrimSuffix(portstring, "\n")
-	i, err := strconv.ParseInt(portstring, 10, 32)
-	if err != nil {
-		return 0, err
-	} else if i == 0 {
-		return 0, errors.New("parsed port is unset or invalid")
-	}
-	return int32(i), nil
-}

netclient/wireguard/common.go

@@ -233,7 +233,6 @@ func SetWGConfig(network string, peerupdate bool) error {
 	if err != nil {
 		return err
 	}
-	if peerupdate && !ncutils.IsFreeBSD() && !(ncutils.IsLinux() && !ncutils.IsKernel()) {
 	var iface string
 	iface = nodecfg.Interface
 	if ncutils.IsMac() {
@@ -241,7 +240,6 @@ func SetWGConfig(network string, peerupdate bool) error {
 		if err != nil {
 			return err
 		}
-		}
 		err = SetPeers(iface, &nodecfg, []wgtypes.PeerConfig{})
 	} else if peerupdate {
 		err = InitWireguard(&nodecfg, privkey, []wgtypes.PeerConfig{}, true)